8399020423 has 8 divisors (see below), whose sum is σ = 8814859488. Its totient is φ = 7987403424.

The previous prime is 8399020363. The next prime is 8399020453. The reversal of 8399020423 is 3240209938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8399020423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8399020453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051440 + ... + 1059397.

It is an arithmetic number, because the mean of its divisors is an integer number (1101857436).

Almost surely, 2^8399020423 is an apocalyptic number.

8399020423 is a deficient number, since it is larger than the sum of its proper divisors (415839065).

8399020423 is a wasteful number, since it uses less digits than its factorization.

8399020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111033.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 8399020423 is about 91646.1697126508. The cubic root of 8399020423 is about 2032.7136916298.

The spelling of 8399020423 in words is "eight billion, three hundred ninety-nine million, twenty thousand, four hundred twenty-three".